Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse

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Caspian Gull cachinnans V|0 1CY-2CY, 2025-2026, the Netherlands & Spain. Picture: Salvador García Barcelona, Thijs Horst & Mars Muusse.

You can participate in this project too! Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl

Tibia G-V|0 and metal Arnhem NLA 5.639.090, ringed as pullus Larus cachinnans on May 09 2025 at IJsselmeer (De Kreupel), Holland (5247.00 N 513.00 E), by ringer Leon Kelder.

Recoveries:
04-07-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Peter van Horssen
13-07-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & N. Colpaert
09-09-2025 Desteldonk (Vuiloverslag Veolia), Oost-Vlaanderen, BELGIE 5.107,00 N 347,00 E colourring read Nathalie Colpaert
14-01-2026 Los Asperones (Vuilstort), Málaga, SPANJE 3.644,00 N 431,00 W colourring read Salvador García Barcelona
16-01-2026 Los Asperones (Vuilstort), Málaga, SPANJE 3.644,00 N 431,00 W colourring read Salvador García Barcelona
25-01-2026 Los Asperones (Vuilstort), Málaga, SPANJE 3.644,00 N 431,00 W colourring read Salvador García Barcelona

Data for nest D2 - 2025.

Metal ring Colour ring Date Species Age Clutch size Location Nest code Ringer Head+Bill Mass Wing Parents
NLA 5639090 g-V|0 09-5-2025 Caspian Gull pullus 3 eggs the Netherlands, De Kreupel - eiland D. D2 Leon Kelder 63,2 181,0
NLA 5639091 g-V|1 09-5-2025 Caspian Gull pullus 3 eggs the Netherlands, De Kreupel - eiland D. D2 Leon Kelder 59,8 137,0
NLA 5639092 g-V|2 09-5-2025 Caspian Gull pullus 3 eggs the Netherlands, De Kreupel - eiland D. D2 Leon Kelder 57,0 98,0
NLA 5639092 g-V|2 13-6-2025 Caspian Gull pullus -- the Netherlands, De Kreupel - eiland D. D2 Leon Kelder

below: Caspian Gull cachinnans V|0 2CY, January 25 2026, Málaga, Spain. Picture: Salvador García Barcelona.

below: Caspian Gull cachinnans V|0 1CY, July 13 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.